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ISR4451-X/K9

The Cisco ISR4451-X/K9 is a high-performance integrated services router designed for scalable enterprise branch deployments, offering dual multicore processors, built-in security, and advanced network services—making it a reliable and cost-effective choice for used network infrastructure.

SKU: ISR4451-X/K9 Brand: Product ID: 126337
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Description

The ISR4451-X/K9 is a high-performance Cisco Integrated Services Router designed for enterprise-level networking, offering scalability, security, and advanced services in a compact 2RU form factor. Built to support growing network demands, this router features a multi-core architecture and supports up to 2 Gbps of aggregate throughput with the ability to scale further using performance licenses. Its modular design includes four service module slots, three onboard Gigabit Ethernet WAN ports, and dual power supply options for redundancy, ensuring reliability in mission-critical environments.

Equipped with Cisco’s IOS XE software, the ISR4451-X/K9 provides advanced routing, security, and application-aware services, making it ideal for branch offices and enterprise edge deployments. This model supports SD-WAN capabilities, VPN, firewall, and deep packet inspection, enhancing network security and efficiency. Expansion options include NIM (Network Interface Module) and SM (Service Module) slots, allowing customization to meet specific connectivity and performance needs. With hot-swappable modules and redundant power supply support, this router delivers flexibility and longevity, making it a cost-effective choice for businesses looking to invest in used network hardware.

Who We Are
 
ROC Telecom is a family-owned, Texas-based company specializing in helping businesses unlock value from their networking and telecom equipment. From routers and switches to optical gear and more, we provide a seamless solution for businesses looking to sell, recover assets responsibly, or buy quality-tested equipment at competitive prices.
 
What We Do
 
We make it easy to:
  • Sell Used Equipment: Get a quick, hassle-free quote and maximize the value of your old IT gear.
  • Buy Certified Networking Equipment: Access affordable, quality-tested equipment from top brands like Cisco, Juniper, Ciena, Fujitsu, Infinera and more.
Why Choose ROC Telecom?
  • Expertise You Can Trust: 15 years of experience in asset recovery and resale.
  • Sustainable IT Solutions: Reduce waste and support environmentally responsible practices.
  • Competitive Pricing: Fair, fast, and accurate valuations for all your equipment.
  • Free Shipping Logistics: Fast, secure, and hassle-free shipping or pickup options for buyers and sellers.
Our Process
  1. Submit a Request: You can use the “Buy” or “Sell” buttons above to get started — or fill out a form, call us at 585-406-1248, or email bailey@roctelecom.com. Whatever’s easiest for you, we’ll make it quick and hassle-free.
  2. Quick Evaluation: We’ll assess your equipment—whether you’re looking to sell it or find the right gear for your needs—and provide a fair offer.
  3. Simple Logistics: Fast, secure, and straightforward shipping or pickup solutions.
  4. Value Delivered: Recover funds from unused equipment or save on quality-tested networking and telecom gear.
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